Personne :
Germain, Paul

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Germain
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Paul
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Université Laval. Faculté des sciences et de génie
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ncf10226492
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  • Publication
    Accès libre
    Caractérisation statistique de la résistance en compression uniaxiale, de la résistance en tension et de l’indice de double poinçonnement du roc intact pour un projet minier
    (GEOQuébec, 2015-09-01) Boudreau, Catherine; Grenon, Martin; Bruneau, Geneviève.; Germain, Paul
    The design of excavation in underground mines relies on rock mass characterization. Intact rock properties are assessed according to the guidelines suggested by the International Society for Rock Mechanics. For laboratory testing, a minimum number of specimens must be analysed. This number is specific for a given test type. Nonetheless, rock variability, heterogeneity and anisotropy may suggest that a larger number of specimens could be necessary to fully assess rock mass properties. Furthermore, a characterization campaign must also respect certain practical and financial limitations. Using a case study from a Quebec mine site, this paper presents a methodology that allows directly linking the results of statistical analysis on campaign results to target levels of confidence for geotechnical data at all stages of a mining project.